International Ocean Symposium (5th : 1980 : Tokyo, Japan), & Nihon Kaiy_o Ky_okai. (1981). The frontier of the seas: The problems of delimitation : proceedings of the 5th International Ocean Symposium = [Umi no kokky_o : "Umi no ky_okai kakutei o meguru mondai" : dai 5-kai Kokusai Kaiy_o Shimpoj_umu h_okokusho] : November 26-27, 1980. Ocean Association of Japan.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Ocean Symposium (5th : 1980 : Tokyo, Japan), και Nihon Kaiy_o Ky_okai. The Frontier of the Seas: The Problems of Delimitation : Proceedings of the 5th International Ocean Symposium = [Umi No Kokky_o : "Umi No Ky_okai Kakutei O Meguru Mondai" : Dai 5-kai Kokusai Kaiy_o Shimpoj_umu H_okokusho] : November 26-27, 1980. Tokyo, Japan: Ocean Association of Japan, 1981.
Παραπομπή σε μορφή MLA (9th εκδ.)International Ocean Symposium (5th : 1980 : Tokyo, Japan), και Nihon Kaiy_o Ky_okai. The Frontier of the Seas: The Problems of Delimitation : Proceedings of the 5th International Ocean Symposium = [Umi No Kokky_o : "Umi No Ky_okai Kakutei O Meguru Mondai" : Dai 5-kai Kokusai Kaiy_o Shimpoj_umu H_okokusho] : November 26-27, 1980. Ocean Association of Japan, 1981.